If the internet peeves have turned into grammar peeves, heres mine:
Her and her husband went to the beach (sentence should start with She)
Him and John bought ice cream. (sentence should start with He)
Her and her husband went to the beach (sentence should start with She)
Him and John bought ice cream. (sentence should start with He)

- I know what he "means" if you spell it out...I just don't spell it out in my head. He is so darn cute! 

fairly regularly. But that is just me. 




), the reason an works in front of HMO is because when you say the letter "H" it starts with an "a" sound. CM and TV are also acronyms, but you wouldn't say an CM or an TV because neither starts with a vowel sound.